People are using laughter to improve their ____________.
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A
health
B
healthy
C
healthily
D
healthier
推荐题目
The customers are pleased with the________of the restaurant.
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A
balance
B
experience
C
surface
D
service
Cici enjoys dancing. It's one of her    .
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A
prize
B
prizes
C
hobby
D
hobbies
 Jim has a ______. He is going to the   USA to visit his sister.
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A
two-months holiday
B
two months’ holidays
C
two-month holiday
D
two months holiday